Team,

We are releasing a new 1711 build today to the Alpha & BETA Rings that addresses various issues with Dolby ATMOS.
https://forums.xbox.com/en-us/thread...2-5ca7e37879c0

November 18th: New Preview Alpha & BETA available (1711.171115-1914)

HOW TO GET IT:
• If your console is in Instant-On mode and you have been selected to receive the update, it will download and install the update and reboot to standby.
• NOTE: Once the update is available to you, you can manually begin the update by launching the Guide and navigating to All Settings > System > Updates.
• If your console hasn’t downloaded and installed the update by 1:00 AM PST 11/19/2017 (9:00PM GMT 19/11), you will be prompted to do so at that time.
• NOTE: This update has a shorter than usual amount of time before it becomes mandatory. This is a delta (small) build not a full install.

DETAILS:
OS version released: rs3_release_xbox_dev_1711.171115-1914
Available: 2:00PM PST 11/18 (10:00PM GMT 18/11)

FIXES:

Sound & Settings:
• Various fixes solving enabling Dolby Atmos for Home Theater, error codes in settings, mitigates no-audio issues with ERA games, and makes Blu-ray passthrough work with all known devices.
• Users with 2017 LG TVs should no longer encounter no sound when enabling Atmos settings on the TV.

KNOWN ISSUES:

Tournaments
• The left and right navigation for selecting date and time during Tournament creation is currently reversed when the console language is set to Arabic or Hebrew.
• Left and right navigation in Tournament twists is reversed when the console language is set to Arabic or Hebrew.
• Left and right navigation in the bracket view of Tournaments is reversed when the console language is set to Arabic or Hebrew.
Avatars on Home
• Users wishing to represent themselves as an avatar can do so by changing their settings under My profile > Customize profile > Show my avatar.
Narrator
• Narrator can stop reading large amounts of text.


Source: Xbox One Insiders - November 18th: New Preview Alpha BETA available (1711.171115-1914) : xboxone